1384628417 has 4 divisors (see below), whose sum is σ = 1397331540. Its totient is φ = 1371925296.

The previous prime is 1384628411. The next prime is 1384628419. The reversal of 1384628417 is 7148264831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 470412721 + 914215696 = 21689^2 + 30236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384628417 - 2⁶ = 1384628353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384628411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6351398 + ... + 6351615.

It is an arithmetic number, because the mean of its divisors is an integer number (349332885).

Almost surely, 2^1384628417 is an apocalyptic number.

It is an amenable number.

1384628417 is a deficient number, since it is larger than the sum of its proper divisors (12703123).

1384628417 is a wasteful number, since it uses less digits than its factorization.

1384628417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703122.

The product of its digits is 258048, while the sum is 44.

The square root of 1384628417 is about 37210.5954937569. The cubic root of 1384628417 is about 1114.5795748480.

The spelling of 1384628417 in words is "one billion, three hundred eighty-four million, six hundred twenty-eight thousand, four hundred seventeen".